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CVE-2025-57118: Privilege Escalation Vulnerability in PHPGurukul Online-Library-Management-System

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Overview

The cybersecurity landscape is constantly evolving with new vulnerabilities surfacing every day. One such vulnerability, identified as CVE-2025-57118, has been discovered recently in PHPGurukul’s Online-Library-Management-System v3.0. This vulnerability, if exploited, allows an attacker to escalate privileges via the index.php, leading to potential system compromise or data leakage.
PHPGurukul’s Online-Library-Management-System is a widely used platform, making this vulnerability particularly concerning. The high severity of this vulnerability underscores the need for immediate action from system administrators and developers who utilize this system.

Vulnerability Summary

CVE ID: CVE-2025-57118
Severity: Critical (9.8)
Attack Vector: Web-based
Privileges Required: Low
User Interaction: Required
Impact: System compromise or data leakage

Affected Products

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Product | Affected Versions

PHPGurukul Online-Library-Management-System | v3.0

How the Exploit Works

The vulnerability resides in the index.php of the PHPGurukul Online-Library-Management-System. It enables an attacker with low-level privileges to escalate their privileges by sending specially crafted requests to the server. This escalation of privileges can give the attacker unfettered access to the system, enabling them to compromise the system or leak sensitive data.

Conceptual Example Code

A conceptual example of how this vulnerability might be exploited is presented below:

POST /index.php HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
username=admin&password=12345&privilege=superadmin

In this conceptual example, the attacker sends a POST request to the index.php page, attempting to log in with a low-level user but manipulating the request to gain superadmin privileges.
Remember, this is a simplified conceptual example and real-world exploits may be more complex and harder to detect.

Mitigation Guidance

The recommended action to mitigate this vulnerability is to apply the patch provided by the vendor. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can offer temporary mitigation. Regularly updating and patching systems, and monitoring system logs for any suspicious activity can also help in preventing the exploitation of this vulnerability.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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